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发明名称
SAND SPRAYER HOPPER
摘要
申请公布号
SU1609914(A1)
申请公布日期
1990.11.30
申请号
SU19874333265
申请日期
1987.11.26
申请人
TS PK T BYURO TRANSPORTA CHERNOJ METALLURGII
发明人
ISAKOV ALEKSANDR P,SU
分类号
E01C19/20
主分类号
E01C19/20
代理机构
代理人
主权项
地址
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